• Porting shaders from FXC to DXC
• Introduction
• Compiler .dll interface changes
• Backward compatibility with FXC behaviors
• Multiplication-only pattern for the intrinsic function pow
• Example of pow implementation by using the log-mul-exp pattern
• Example of pow implementation by using the mul-only pattern
• Out-of-bound array accesses
• Warn when unroll attribute can't be honored
• COLOR semantic
• Length property on constant arrays
• Writing to globals
• Legacy resource reservation by using the -flegacy-resource-reservation flag
• Resource binding on FXC with SM5.0
• Resource binding on FXC with SM5.1
• Resource binding on DXC with SM6.0 without the -flegacy-resource-reservation flag
• Resource binding on DXC with SM6.0 with the -flegacy-resource-reservation flag
• Legacy macro expansion by using the -flegacy-macro-expansion flag
• Unsupported FXC behaviors
• Effect framework
• Uniform parameters on entry functions
• Interfaces
• Dimension-specific texture sample functions no longer supported
• Example using the old syntax for sampling, which is no longer supported
• Example showing supported syntax for sampling
• Semantic overlap not supported
• "ConstantBuffer" as constant buffer name not supported